Larry Kofsky/MarketWatchThe trading floor of the New York Stock Exchange sits empty Monday, Oct. 29, 2012. U.S. stock markets suffer their first weather-related closure in 27 years on Monday as Hurricane Sandy bears down on the East Coast. U.S. stock markets last closed due to weather in September 1985 when Hurricane Gloria struck. Read how Sandy hit shares of European insurers.

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ReutersA New York Police officer guards a closed subway entrance in downtown Manhattan as Hurricane Sandy made its approach in New York October 29, 2012. Mass Transit ceased operation Sunday night due to the approaching storm.

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ReutersAn abandoned home is inundated with water at Shinnecock Bay in Southampton, New York, October 29, 2012.

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ReutersA truck drives through water pushed over a road by Hurricane Sandy in Southampton, New York, October 29, 2012.

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ReutersA pedestrian in a plastic poncho walks through a parking lot in gusty winds and rain from Hurricane Sandy in Upper Darby, near Philadelphia, Pennsylvania, October 29, 2012.

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ReutersWaves crash on shore from high surf ahead of Hurricane Sandy at the pier at Virginia Beach, Virginia October 29, 2012.

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ReutersU.S. President Barack Obama arrives at Joint Base Andrews outside Washington after cancelling a campaign event in Florida due to bad weather in the Washington area, October 29, 2012. Obama canceled campaign events in Florida and Wisconsin to return to Washington on Monday and monitor the impact and response to Hurricane Sandy, the White House said.

NASAThe Geostationary Operational Environmental Satellite 13 (GOES) captured this natural-color image of Hurricane Sandy late Sunday. Note how a line of clouds from a continental weather system runs south to north along the Appalachian Mountains, approaching from the west to meet the offshore storm.

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